Speaker light bulb



FIG. 1 is a perspective view of the speaker light bulb;

FIG. 2 is a front elevation view of the speaker light bulb;

FIG. 3 is right side elevation view of the speaker light bulb, where the left side elevation view is a mirror image;

FIG. 4 is a top plan view of the speaker light bulb; and,

FIG. 5 is a bottom view of the speaker light bulb.

The broken line showing of the lines on the speaker light bulb that is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design of the speaker light bulb, as shown and described. 